ADLINK Technology PCI-9524 User manual

Advance Technologies; Automate the World.

Manual Revision: 2.00

Revision Date: April 09, 2008

Part No: 50-11236-1000

PCI-9524

24-Bit Precision Load Cell Input Card

User’s Manual

PCI-9524 ADLINK Technology, Inc.

ii

Revision History

Revision Release Date Description of Change(s)

2.00 2008/04/09

Document Created

Initial Release

Preface iii

ADLINK Technology Inc. PCI-9524

Preface

This document contains proprietary information protected by copy-

right. All rights are reserved. No part of this manual may be repro-

duced by any mechanical, electronic, or other means in any form

without prior written permission of the manufacturer.

Disclaimer

The information in this document is subject to change without prior

notice in order to improve reliability, design, and function and does

not represent a commitment on the part of the manufacturer.

In no event will the manufacturer be liable for direct, indirect,

special, incidental, or consequential damages arising out of the

use or inability to use the product or documentation, even if

advised of the possibility of such damages.

Environmental Responsibility

ADLINK is committed to fulfill its social responsibility to global

environmental preservation through compliance with the Euro-

pean Union's Restriction of Hazardous Substances (RoHS) direc-

tive and Waste Electrical and Electronic Equipment (WEEE)

directive. Environmental protection is a top priority for ADLINK.

We have enforced measures to ensure that our products, manu-

facturing processes, components, and raw materials have as little

impact on the environment as possible. When products are at their

end of life, our customers are encouraged to dispose of them in

accordance with the product disposal and/or recovery programs

prescribed by their nation or company.

Trademarks

PC, PS/2, and VGA are registered trademarks of International

Business Machines Corp. Borland

®

, Borland

®

C, C++ Builder

®

,

and Delphi

®

are registered trademarks of the Borland Software

Corporation. LabVIEW™ is a trademark of National Instruments

Corporation. Microsoft

®

, Visual Basic

®

, Visual C++

®

, Windows

®

iv Preface

PCI-9524 ADLINK Technology Inc.

98, Windows

®

NT, Windows

®

2000, Windows

®

XP, and Windows

®

Vista

®

are registered trademarks of Microsoft

®

Corporation.

PCI™, is a registered trademark of the Peripheral Component

Interconnect Special Interest Group (PCI-SIG).

Product names mentioned herein are used for identification pur-

poses only and may be trademarks and/or registered trademarks

of their respective companies.

Preface v

ADLINK Technology Inc. PCI-9524

Using this Manual

Audience and Scope

The PCI-9524 User’s Manual is intended for hardware technicians

and systems operators with knowledge of installing, configuring

and operating industrial grade PCI cards.

Manual Organization

This manual is organized as follows:

Preface: Presents important copyright notifications,

disclaimers, trademarks, and associated information on the

proper understanding and usage of this document and its

associated product(s).

Chapter 1, Introduction: Introduces the PCI-9524, its

features, applications, specifications and operating software

environment.

Chapter 2, Installation: Describes how to install the PCI-9524

into your chassis and basic PCI configuration settings.

Chapter 3, Signal Connections: Describes signal

connections between PCI-9524 and external devices.

Chapter 4, Operation Theory: Describes A/D and D/A

conversions, pulse-commands, encoder inputs and isolated

digital I/O signals to assist users in understanding how to

configure and program the cPCI-9524.

Chapter 5, Calibration: Presents the calibration process to

minimize measurement and output errors.

Important Safety Instructions: Presents safety instructions

all users must follow for the proper setup, installation and

usage of equipment and/or software.

Warranty Information: Presents important warranty

information for users/manufacturers rights and responsibilities

regarding ADLINK products and services.

vi Preface

PCI-9524 ADLINK Technology Inc.

Conventions

Take note of the following conventions used throughout this

manual to make sure that users perform certain tasks and

instructions properly.

NOTE:

Additional information, aids, and tips that help users per-

form tasks.

CAUTION:

Information to prevent minor physical injury, component

damage, data loss, and/or program corruption when try-

ing to complete a task.

WARNING:

Information to prevent serious physical injury, compo-

nent damage, data loss, and/or program corruption

when trying to complete a specific task.

Preface vii

ADLINK Technology Inc. PCI-9524

Acronyms & Terminology

The following terms are used throughout this document. This list is

prepared in alphabetical order for clarity.

A/mA - (Ampere/amp/milliampere) a unit of electric current, or

amount of electric charge per second

AGND - Analog Ground

AI - Analog Input

AO - Analog Output

BIOS - Basic Input/Output System

bit - Binary digit, the basic unit of information storage in computing

byte - An 8-bit binary digit standard unit of information in

computing

CD - Compact Disk

ch (CH) - Channel

CLK/DIR - Clock Direction

CMRR - Common-mode rejection ratio

CW/CCW - Clock Wise, Counter Clock Wise

DAQ - Data Acquisition

dB - Decibel, a logarithmic unit of measurement in acoustics and

electronics

DC - Direct Current

DI - Differential Input

DLL (.dll) - Dynamic-link libraries, a library subroutine file type and

common filename extension in Microsoft Windows.

DMA (UDMA) - Direct Memory Access / Ultra DMA

DO - Digital Output

DSP - Digital Signal Processor

EEPROM (E2PROM) - Electrically Erasable Programmable Read-

Only Memory

viii Preface

PCI-9524 ADLINK Technology Inc.

EMI - Electromagnetic Interference

ENOB - Effective Number of Bits

FIFO - First In, First Out

FPGA - Field-Programmable Gate Array

GB - Gigabyte (1,073,741,824 bytes)

Hz/KHz/MHz - hertz / Kilo hertz / Mega hertz, standard unit of

frequency

I/O (IO) - Input / Output

IIH - Input current at logic high

IIL - Input current at logic low

IIR - Infinite impulse response

IOL - Output current at logic low

IRQ / SERIRQ - Interrupt Request / Serial Interrupt Request

ITU - International Telecommunications Union

LabVIEW - Laboratory Virtual Instrumentation Engineering

Workbench, a visual programming

LBS - Least significant bit

LED - Light Emitting Diode

MB - Megabyte (1,048,576 bytes)

MOSFET - Metal-Oxide Semiconducgtor Field Effect

ohm - a standard unit of electrical resistance “

Ω“

OS - Operating System

PC - Personal Computer

PCI - Peripheral Component Interconnect

RMS - Root Mean Square

RSV - Reserved

SNR - Singnal to Noise Ratio

SPS - Samples per Second

SSI - Synchronization System Interface

Preface ix

ADLINK Technology Inc. PCI-9524

TBD - To Be Determined

TTL - Transistor-Transistor Logic, digital circuits built from bipolar

junction transistors and resistors.

V/mV/µV - Volt / milli Volt / micro Volt, a derived unit of electrical

potential difference

VHDCI - Very high density cable interconnect

VIH - Input voltage at logic high

VIL - Input voltage at logic low

VOH - Output volage at logic high

VOL - Output voltage at logic low

W - Watt

x Preface

PCI-9524 ADLINK Technology Inc.

Reference Documentation

The following list of documents may be used as reference materi-

als to support installation, configuration and/or the operation of the

PCI-9524. This list is prepared in alphabetical order (by vendor/

organization name, then by document title) for clarity.

Vendor(s) Title Rev.

American National

Standards Institute

TIA-422 Electrical Characteristics of

Balanced Voltage Differential Interface

Circuits

B

Telecommunications

Industry Association

ITU-T Recommendation V.11 11

Preface xi

ADLINK Technology Inc. PCI-9524

Getting Service

Contact us should you require any service or assistance.

ADLINK TECHNOLOGY INC. (HEADQUARTERS)

Web Site: http://www.adlinktech.com

Sales & Service: [email protected]

Telephone No.: +886-2-8226-5877

Fax No.: +886-2-8226-5717

Mailing Address: 9F No. 166 Jian Yi Road, Chungho City,

Taipei 235, Taiwan, ROC

ADLINK TECHNOLOGY AMERICA INC.

Sales & Service: [email protected]

Toll-Free: +1-866-4 ADLINK

Fax No.: +1-949-727-2099

Mailing Address: 8900 Research Drive, Irvine,

CA 92618, USA

ADLINK TECHNOLOGY CO. LTD. (BEIJING)

Sales & Service: [email protected]

Telephone No.: +86-10-5885-8666

Fax No.: +86-10-5885-8625

Mailing Address: Rm. 801, Power Creative E, No. 1, B/D

Shang Di East Rd.

Beijing, 100085 China

ADLINK TECHNOLOGY CO. LTD. (SHANGHAI)

Sales & Service: [email protected]

Telephone No.: +86-21-6495-5210

Fax No.: +86-21-5450-0414

Mailing Address: 4F, Bldg. 39, No.333 Qinjiang Road,

Cao He Jing High-Tech Park

Shanghai, 200233 China

ADLINK TECHNOLOGY CO. LTD. (SHENZHEN)

Sales & Service: [email protected]

Telephone No.: +86-755-2643-4858

Fax No.: +86-755-2664-6353

Mailing Address: 2F, C Block, Bld. A1,

Cyber-Tech Zone, Gao Xin Ave. Sec. 7,

High-Tech Industrial Park S.,

Shenzhen, 518054 China

xii Preface

PCI-9524 ADLINK Technology Inc.

ADLINK TECHNOLOGY INC. (EUROPEAN Liaison Office)

Sales & Service: em[email protected]

Telephone No.: +49-211-495-5552

Fax No.: +49-211-495-5557

Mailing Address: Nord Carree 3, 40477

Düsseldorf, Germany

ADLINK TECHNOLOGY JAPAN CORP.

Sales & Service japan@adlinktech.com

Telephone No. +81-3-4455-3722

Fax No. +81-3-5333-6040

Mailing Address Asahiseimei Hatagaya Bld. 8Fl. 1-1-2

Hatagaya Shibuya-ku, Tokyo, Japan

ADLINK TECHNOLOGY INC. (SOUTH KOREA Liaison Office)

Sales & Service: [email protected]

Telephone No.: +82-2-2057-0565

Fax No.: +82-2-2057-0563

Mailing Address: #402, Dongsung B/D, 60-12,

Nonhyeon-dong Gangnam-gu,

Seoul, 135-010, South Korea

ADLINK TECHNOLOGY SINGAPORE PTE. LTD.

Sales & Service: [email protected]

Telephone No.: +65-6844-2261

Fax No.: +65-6844-2263

Mailing Address: 84 Genting Lane #07-02A,

Cityneon Design Center,

Singapore 349584

ADLINK TECHNOLOGY SINGAPORE PTE. LTD. (INDIA Liaison Office)

Sales & Service: [email protected]

Telephone No.: +91-80-6560-5817

Fax No.: +91-80-2244-3548

Mailing Address: No. 1357, Ground Floor, "Anupama",

Aurobindo Marg JP Nagar (Ph-1)

Bangalor, Karnataka 560078, India

Table of Contents xiii

ADLINK Technology Inc. PCI-9524

Table of Contents

PCI-9524..................................................................................... i

Revision History...................................................................... ii

Preface .................................................................................... iii

Disclaimer .......................................................................iii

Environmental Responsibility ..........................................iii

Trademarks .....................................................................iii

Using this Manual ........................................................... v

Conventions ....................................................................vi

Acronyms & Terminology ...............................................vii

Reference Documentation .............................................. x

Getting Service ...............................................................xi

Table of Contents................................................................. xiii

List of Figures ..................................................................... xvii

List of Tables........................................................................ xix

1 Introduction ........................................................................ 1

1.1 Features............................................................................... 2

1.2 Applications ......................................................................... 2

1.3 Specifications....................................................................... 3

1.4 Software Support ............................................................... 19

2 Getting Started ................................................................. 21

2.1 Installation Environment .................................................... 21

2.2 Package Contents ............................................................. 22

2.3 PCI-9524 Layout................................................................ 23

2.4 Installing the Card.............................................................. 24

2.5 PCI Configuration .............................................................. 25

xiv Table of Contents

PCI-9524 ADLINK Technology Inc.

3 Signal Connections .......................................................... 27

3.1 Connectors & Pin Assignments ......................................... 27

3.2 Analog Input Signal Connections....................................... 33

3.2.1 Signal Sources.................................................................... 33

3.2.2 Input Configurations............................................................ 34

3.3 Isolated Digital Signal Connection ..................................... 38

3.3.1 Signal Sources and Terminal Devices ................................ 38

3.3.2 Connecting to/from External Encoders ............................... 40

3.3.3 Connecting to External Servo Amplifiers ............................ 42

3.3.4 Interfacing Isolated DO with External Loads....................... 43

3.3.5 Interfacing Isolated DI with External Devices...................... 45

4 Operation Theory .............................................................. 47

4.1 PCI-9524 Function Diagram .............................................. 47

4.2 Analog Input Channels....................................................... 48

4.2.1 Signal Acquisition and Processing Flow ............................. 48

4.2.2 How to Define a 1 in 200,000 Count Resolution ................. 49

4.2.3 Data Rate versus Sampling Rate........................................ 51

4.2.4 Auto-scan, Multiplexing and Settling Time.......................... 51

4.2.5 Power Line Noise Rejection................................................ 53

4.2.6 Excitation and Remote-sensing .......................................... 54

4.2.7 Thermal EMF, 1/f Noise and Auto-zero .............................. 55

4.2.8 Warm-up Requirement........................................................ 58

4.2.9 Post-processing IIR Digital Filter......................................... 58

4.2.10RAW Data Format............................................................... 61

4.2.11AD Data Format .................................................................. 62

4.2.12Data Transfer Modes .......................................................... 64

4.2.13Trigger Modes..................................................................... 66

4.3 D/A Conversion.................................................................. 67

4.4 Isolated Encoder Input Channels....................................... 67

4.5 Isolated Pulse-Command Generator ................................. 69

4.6 Isolated Digital I/O.............................................................. 69

Table of Contents xv

ADLINK Technology Inc. PCI-9524

4.6.1 Isolated Digital Inputs ......................................................... 70

4.6.2 Isolated Digital Outputs....................................................... 70

4.7 Trigger Sources ................................................................. 70

4.7.1 Software-Trigger ................................................................. 70

4.7.2 External Digital Trigger ....................................................... 70

4.7.3 Pulse Comparator Trigger .................................................. 71

4.7.4 Position Comparator Trigger............................................... 72

5 Calibration......................................................................... 73

5.1 Loading Calibration Constants........................................... 73

5.2 Auto-calibration.................................................................. 74

5.3 Saving Calibration Constants ............................................ 74

Important Safety Instructions .............................................. 75

Warranty Policy..................................................................... 77

xvi Table of Contents

PCI-9524 ADLINK Technology Inc.

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List of Figures xvii

ADLINK Technology Inc. PCI-9524

List of Figures

Figure 1-1: PCI-9524 Product Image ................................................. 1

Figure 1-2: Effective-number-of-bits vs. Gain .................................... 9

Figure 1-3: RMS Noise in µV vs. Gain ............................................... 9

Figure 1-4: Spectral Response ±10V range,

0.996094 Hz sine wave, -1 dB FS ................................. 10

Figure 1-5: Spectral Response ±5V range,

0.996094 Hz sine wave, -1 dB FS ................................. 10

Figure 1-6: Spectral Response ±2.5V range,

0.996094 Hz sine wave, -1 dB FS ................................. 11

Figure 1-7: Spectral Response ±1.25V range,

0.996094 Hz sine wave, -1 dB FS ................................. 11

Figure 1-8: Frequency Response Sampling at 30,000 SPS ............ 12

Figure 1-9: Frequency Response Sampling at 15,000 SPS ............ 12

Figure 1-10: Frequency Response Sampling below 15,000 SPS ...... 13

Figure 2-1: PCI-9524 PCB Layout and Mechanical Drawing ........... 23

Figure 3-1: CN1 Connector & Pin Assignments............................... 27

Figure 3-2: CN2 Connector & Pin Assignments............................... 29

Figure 3-3: SSI Connector & Pin Assignments ................................ 31

Figure 3-4: Connecting to a four-terminal load-cell transducer

using a four-wire connection.......................................... 34

Figure 3-5: Connecting to a six-terminal load-cell transducer

using a six-wire connection............................................ 35

Figure 3-6: Connecting to a four-terminal load-cell transducer

using a six-wire connection............................................ 36

Figure 3-7: Ground-referenced source and differential input ........... 37

Figure 3-8: Floating source and differential input............................. 37

Figure 3-9: Connecting to an external encoder

with NPN sink drivers..................................................... 40

Figure 3-10: Connecting to an external encoder

with PNP source drivers ................................................ 40

Figure 3-11: Connecting to an external encoder

with push-pull source drivers ......................................... 41

Figure 3-12: Connecting to an external encoder

with differential line-drivers ............................................ 41

Figure 3-13: Connecting to an external servo-amplifier

with opto-coupler inputs................................................. 42

Figure 3-14: Connecting to an external servo-amplifier

with differential line-receivers ........................................ 42

xviii List of Figures

PCI-9524 ADLINK Technology Inc.

Figure 3-15: Connecting to an external resistive load

from the isolated DO sink driver .................................... 43

Figure 3-16: Connecting to an external inductive load

from an isolated DO sink driver ..................................... 44

Figure 3-17: Connecting to a low-side push button............................ 45

Figure 3-18: Connecting to an external sink driver ............................ 46

Figure 4-1: PCI-9524 Function Diagram .......................................... 47

Figure 4-2: Signal acquisition and data processing flow

for transducer input channels ........................................ 48

Figure 4-3: SINC Filter Power Line Noise Rejection

at 60 Hz Multiples .......................................................... 54

Figure 4-4: The Effect of Auto-zero on Thermal Noise and

1/f Noise, ADC running at 60 SPS................................. 57

Figure 4-5: Digital Filter Tap Length Effects

on Signal Frequency Responses................................... 59

Figure 4-6: Linked List of PCI address DMA descriptors ................. 65

Figure 4-7: Post trigger .................................................................... 66

Figure 4-8: X4 Encoder mode .......................................................... 68

Figure 4-9: External digital trigger .................................................... 71

List of Tables xix

ADLINK Technology Inc. PCI-9524

List of Tables

Table 1-1: -3dB small signal bandwidth: (Typical, 25°C) .................. 4

Table 1-2: System Noise (including Quantization, Typical, 25°C) .... 4

Table 1-3: Transducer Input Impedance........................................... 5

Table 1-4: Transducer CMRR (DC to 60 Hz, Typical 25°C) ............. 5

Table 1-5: Settling Error: (Typical, 25°C).......................................... 6

Table 1-6: Programmable input range and gain ............................... 7

Table 1-7: -3dB small signal bandwidth vs. input range ................... 7

Table 1-8: -3dB small signal bandwidth vs. sampling rates,

in ±10V range .................................................................. 8

Table 1-9: General Purpose Input Impedance................................ 13

Table 1-10: General Purpose CMRR (DC to 60 Hz, Typical, 25°C) . 13

Table 1-11: Settling Error: (Typical, 25ºC) ........................................ 14

Table 3-1: I/O Signal Descriptions .................................................. 32

Table 4-1: Data Rates vs. Multiplexing, Auto-zero &

ADC Sampling Rates, in Samples-per-second (SPS) ... 53

Table 4-2: Temperature Coefficient of different metal junctions ..... 56

Table 4-3: Default Threshold Values (ADC counts)

vs. ADC Sampling Rates ............................................... 61

Table 4-4: RAW Data Format ......................................................... 61

Table 4-5: Bipolar analog input ranges and

output digital codes for transducer input channels ........ 63

Table 4-6: Bipolar analog input ranges and

AD codes for general purpose input channels............... 63

Table 4-7: Bipolar output code table ............................................... 67

xx List of Tables

PCI-9524 ADLINK Technology Inc.

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